n. 1. a. A process of painting in which pigments are mixed with water and a glue-size or casein binder, used for flat wall decoration or scenic and poster painting. b. The paint used in this process. 2. A painting made by this process. tr.v. dis·tem·pered, dis·tem·per·ing, dis·tem·pers 1. To mix (powdered pigments or colors) with water and size. 2. To paint (a work) in distemper. [Middle English distemperen, to dilute; see DISTEMPER1.] |
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